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參數(shù)資料
| 型號(hào)： | PXAG39KBA |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | XA 16-bit microcontroller family XA 16-bit microcontroller 32K FLASH/1K RAM, watchdog, 2 UARTs |
| 中文描述： | 16-BIT, FLASH, 30 MHz, MICROCONTROLLER, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數(shù)： | 5/42頁 |
| 文件大?。?/td> | 217K |
| 代理商： | PXAG39KBA |
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Philips Semiconductors
Preliminary data
XA-G39
XA 16-bit microcontroller family
32K Flash/1K RAM, watchdog, 2 UARTs
2002 Mar 13
5
PIN DESCRIPTION
MNEMONIC
PIN
NO.
TYPE
NAME AND FUNCTION
V
SS
1, 22
I
Ground:
0 V reference.
V
DD
23, 44
I
Power Supply:
This is the power supply voltage for normal, idle, and power down operation.
P0.0 – P0.7
43–36
I/O
Port 0:
Port 0 is an 8-bit I/O port with a user-configurable output type. Port 0 latches have 1s written to
them and are configured in the quasi-bidirectional mode during reset. The operation of port 0 pins as
inputs and outputs depends upon the port configuration selected. Each port pin is configured
independently. Refer to the section on I/O port configuration and the DC Electrical Characteristics for
details.
When the external program/data bus is used, Port 0 becomes the multiplexed low data/instruction byte and
address lines 4 through 11.
P1.0 – P1.7
2–9
I/O
Port 1:
Port 1 is an 8-bit I/O port with a user-configurable output type. Port 1 latches have 1s written to
them and are configured in the quasi-bidirectional mode during reset. The operation of port 1 pins as
inputs and outputs depends upon the port configuration selected. Each port pin is configured
independently. Refer to the section on I/O port configuration and the DC Electrical Characteristics for
details.
Port 1 also provides special functions as described below.
A0/WRH:
Address bit 0 of the external address bus when the external data bus is configured for
an 8 bit width. When the external data bus is configured for a 16 bit width, this pin
becomes the high byte write strobe.
A1:
Address bit 1 of the external address bus.
A2:
Address bit 2 of the external address bus.
A3:
Address bit 3 of the external address bus.
RxD1 (P1.4):
Receiver input for serial port 1.
TxD1 (P1.5):
Transmitter output for serial port 1.
T2 (P1.6):
Timer/counter 2 external count input/clockout.
T2EX (P1.7):
Timer/counter 2 reload/capture/direction control
2
O
3
4
5
6
7
8
9
O
O
O
I
O
I/O
I
P2.0 – P2.7
24–31
I/O
Port 2:
Port 2 is an 8-bit I/O port with a user-configurable output type. Port 2 latches have 1s written to
them and are configured in the quasi-bidirectional mode during reset. The operation of port 2 pins as
inputs and outputs depends upon the port configuration selected. Each port pin is configured
independently. Refer to the section on I/O port configuration and the DC Electrical Characteristics for
details.
When the external program/data bus is used in 16-bit mode, Port 2 becomes the multiplexed high
data/instruction byte and address lines 12 through 19. When the external program/data bus is used in 8-bit
mode, the number of address lines that appear on port 2 is user programmable.
P3.0 – P3.7
11,
13–19
I/O
Port 3:
Port 3 is an 8-bit I/O port with a user configurable output type. Port 3 latches have 1s written to
them and are configured in the quasi-bidirectional mode during reset. the operation of port 3 pins as inputs
and outputs depends upon the port configuration selected. Each port pin is configured independently.
Refer to the section on I/O port configuration and the DC Electrical Characteristics for details.
Port 3 also provides various special functions as described below.
RxD0 (P3.0):
Receiver input for serial port 0.
TxD0 (P3.1):
Transmitter output for serial port 0.
INT0 (P3.2):
External interrupt 0 input.
INT1 (P3.3):
External interrupt 1 input.
T0 (P3.4):
Timer 0 external input, or timer 0 overflow output.
T1/BUSW (P3.5):
Timer 1 external input, or timer 1 overflow output. The value on this pin is latched
as the external reset input is released and defines the default external data bus
width (BUSW). 0 = 8-bit bus and 1 = 16-bit bus.
WRL (P3.6):
External data memory low byte write strobe.
RD (P3.7):
External data memory read strobe.
11
13
14
15
16
17
I
O
I
I
I/O
I/O
18
19
O
O
RST
10
I
Reset:
A low on this pin resets the microcontroller, causing I/O ports and peripherals to take on their
default states, and the processor to begin execution at the address contained in the reset vector. Refer to
the section on Reset for details.
ALE
33
I/O
Address Latch Enable:
A high output on the ALE pin signals external circuitry to latch the address portion
of the multiplexed address/data bus. A pulse on ALE occurs only when it is needed in order to process a
bus cycle.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| PXAG49 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:XA 16-bit microcontroller family 64K FLASH/2K RAM, watchdog, 2 UARTs |
| PXAG49KBA | 功能描述:16位微控制器 - MCU XA 16BIT 64KF/2KR IN SYS PROG RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| PXAG49KBA/00,512 | 功能描述:16位微控制器 - MCU 64K/2K FLISP 30M/LCC44 COM RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| PXAG49KBBD | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:XA 16-bit microcontroller family |
| PXAG49KBBD/00,557 | 功能描述:16位微控制器 - MCU 64K/2K FL 16 BIT ISP/IAP COM RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
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